package com.idc.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.ClientDetailsService;
import org.springframework.security.oauth2.provider.code.AuthorizationCodeServices;
import org.springframework.security.oauth2.provider.code.InMemoryAuthorizationCodeServices;
import org.springframework.security.oauth2.provider.token.AuthorizationServerTokenServices;
import org.springframework.security.oauth2.provider.token.DefaultTokenServices;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.InMemoryTokenStore;

@Configuration
@EnableAuthorizationServer
public class AuthorizationServer extends AuthorizationServerConfigurerAdapter {

    @Autowired
    private BCryptPasswordEncoder passwordEncoder;

    @Autowired
    private AuthenticationManager authenticationManager;

    @Autowired
    private AuthorizationCodeServices authorizationCodeServices;

    @Autowired
    private TokenStore tokenStore;

    @Autowired
    private ClientDetailsService clientDetailsService;




    //设置授权码模式的授权码如何存取，暂时采用内存方式
    @Bean
    public AuthorizationCodeServices authorizationCodeServices() {
        return new InMemoryAuthorizationCodeServices();
    }


    @Bean
    public TokenStore tokenStore() {
        //使用内存存储令牌（普通令牌）
        return new InMemoryTokenStore();
    }

    @Bean
    public AuthorizationServerTokenServices tokenService() {
        DefaultTokenServices service=new DefaultTokenServices();
        service.setClientDetailsService(clientDetailsService);//客户端详情服务
        service.setSupportRefreshToken(true);//支持刷新令牌
        service.setTokenStore(tokenStore);//令牌存储策略

        service.setAccessTokenValiditySeconds(7200); // 令牌默认有效期2小时
        service.setRefreshTokenValiditySeconds(259200); // 刷新令牌默认有效期3天

        return service;
    }


    @Override
    public void configure(AuthorizationServerSecurityConfigurer security) throws Exception {
        security
                .checkTokenAccess("isAuthenticated()")
                .tokenKeyAccess("permitAll()")
                .allowFormAuthenticationForClients();
    }

    @Override
    public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
        clients.inMemory().withClient("c1")// client_id
                .secret(passwordEncoder.encode("123"))

                .authorizedGrantTypes("authorization_code", "password", "client_credentials", "implicit",
                        "refresh_token")// 该client允许的授权类型
                // authorization_code,password,refresh_token,implicit,client_credentials
                .scopes("all")// 允许的授权范围
                .autoApprove(false)

                .redirectUris("http://www.baidu.com");// 加上验证回调地址
    }




    @Override
    public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
        endpoints
                .authenticationManager(authenticationManager)//认证管理器
                .authorizationCodeServices(authorizationCodeServices)//授权码服务
                .tokenServices(tokenService())//令牌管理服务
                .allowedTokenEndpointRequestMethods(HttpMethod.POST,HttpMethod.GET);
    }
}
